| Reinfeld to Oerlinghausen | 149.54 mi (240.66 km) |
| Reinfeld to Oestrich-Winkel | 285.17 mi (458.94 km) |
| Reinfeld to Offenburg | 386.85 mi (622.57 km) |
| Reinfeld to Oftersheim | 318.90 mi (513.21 km) |
| Reinfeld to Ohrdruf | 207.91 mi (334.59 km) |
| Reinfeld to Ohringen | 322.90 mi (519.66 km) |
| Reinfeld to Olbernhau | 249.76 mi (401.95 km) |
| Reinfeld to Olching | 390.90 mi (629.09 km) |
| Reinfeld to Oldenburg | 104.74 mi (168.57 km) |
| Reinfeld to Oldenburg in Holstein | 36.09 mi (58.09 km) |
| Reinfeld to Olfen | 195.35 mi (314.39 km) |
| Reinfeld to Olpe | 224.33 mi (361.02 km) |
| Reinfeld to Olsberg | 191.00 mi (307.38 km) |
| Reinfeld to Oranienburg | 135.96 mi (218.80 km) |
| Reinfeld to Ortenberg | 247.79 mi (398.77 km) |
