1. Variety of Lengths for Different Techniques

Carp rods come in a wide range of lengths, typically from 6 to as much as 13 feet (approximately 1.6 - 3.9 meters).

Rods that are 6 feet long are an excellent option for anglers who prefer stalking, which means fishing by sneaking up on the fish. Their shorter length makes them ideal tools in situations where you need to handle the rod in confined spaces. 
When fishing under overhanging trees or in places where limited space makes using longer rods difficult, 6-foot rods provide greater control over the situation. Their compact design allows for precise casting and maneuverability in hard-to-reach spots where other, longer rods might be inconvenient or impractical.

Shorter rods (10-11 feet) are often more responsive and can be used for baiting techniques involving a dinghy. Such rods are much easier to handle on a floating vessel where you don't always have a lot of room to maneuver.

Longer rods (12-13 feet), on the other hand, allow for casting at greater distances while simultaneously increasing control over the fish during the fight.

2. Type of Fishing

The choice of rod length also depends on the specific type of fishing. Shorter rods may be more suitable for fishing from a dinghy in places with limited space for casting, while longer rods are better on open waters where you need to cast the rig at further distances.

3. Water Conditions

Different rod lengths may be preferred depending on the conditions on the water. If you're fishing in small ponds or reservoirs with limited space, a shorter rod might be more convenient. In contrast, on reservoirs where the use of a dinghy for baiting is prohibited, a longer rod will allow for longer casts.

4. Comfort and Personal Preferences

Ultimately, the choice of carp rod length can also be a matter of comfort and personal preference. Some anglers prefer certain lengths due to their fishing style or comfort during use.

How to Choose the Right Rod?

To choose the right carp rod length, consider your experience, the places where you fish most frequently, and your preferred fishing style. Beginners may start with versatile medium-length rods, e.g., 12 feet, which offer a good combination of control and casting capabilities.

Experienced anglers might experiment with different lengths to adjust the rod to their needs and fishing conditions.

Ultimately, the choice of rod length depends on many factors, and the best way to find the right one is through experimentation and trying out various options.