| Troisdorf to Nordwalde | 88.68 mi (142.72 km) |
| Troisdorf to Northeim | 137.55 mi (221.36 km) |
| Troisdorf to Norvenich | 22.10 mi (35.57 km) |
| Troisdorf to Nossen | 267.96 mi (431.25 km) |
| Troisdorf to Nottuln | 77.29 mi (124.38 km) |
| Troisdorf to Numbrecht | 17.95 mi (28.89 km) |
| Troisdorf to Nuremberg | 197.52 mi (317.87 km) |
| Troisdorf to Nurtingen | 179.44 mi (288.79 km) |
| Troisdorf to Nussloch | 123.64 mi (198.98 km) |
| Troisdorf to Ober-Ramstadt | 97.76 mi (157.33 km) |
| Troisdorf to Oberasbach | 194.03 mi (312.26 km) |
| Troisdorf to Oberderdingen | 141.55 mi (227.81 km) |
| Troisdorf to Oberhaching | 277.43 mi (446.49 km) |
| Troisdorf to Oberhausen | 48.62 mi (78.25 km) |
| Troisdorf to Oberhausen-Rheinhausen | 122.60 mi (197.30 km) |
