| Fritzlar to Oestrich-Winkel | 96.45 mi (155.22 km) |
| Fritzlar to Offenburg | 193.82 mi (311.93 km) |
| Fritzlar to Oftersheim | 125.64 mi (202.20 km) |
| Fritzlar to Ohrdruf | 66.48 mi (107.00 km) |
| Fritzlar to Ohringen | 133.92 mi (215.53 km) |
| Fritzlar to Olbernhau | 179.38 mi (288.68 km) |
| Fritzlar to Olching | 222.11 mi (357.46 km) |
| Fritzlar to Oldenburg | 146.13 mi (235.17 km) |
| Fritzlar to Oldenburg in Holstein | 228.80 mi (368.22 km) |
| Fritzlar to Olfen | 91.24 mi (146.84 km) |
| Fritzlar to Olpe | 63.46 mi (102.13 km) |
| Fritzlar to Olsberg | 37.70 mi (60.68 km) |
| Fritzlar to Oranienburg | 202.19 mi (325.40 km) |
| Fritzlar to Ortenberg | 54.64 mi (87.93 km) |
| Fritzlar to Oschatz | 165.87 mi (266.95 km) |
