| Vicar to Oerlinghausen | 1,182.25 mi (1,902.65 km) |
| Vicar to Oestrich-Winkel | 1,052.67 mi (1,694.10 km) |
| Vicar to Offenburg | 965.01 mi (1,553.03 km) |
| Vicar to Oftersheim | 1,032.60 mi (1,661.81 km) |
| Vicar to Ohrdruf | 1,170.63 mi (1,883.95 km) |
| Vicar to Ohringen | 1,049.12 mi (1,688.40 km) |
| Vicar to Olbernhau | 1,239.36 mi (1,994.55 km) |
| Vicar to Olching | 1,056.13 mi (1,699.68 km) |
| Vicar to Oldenburg | 1,242.45 mi (1,999.54 km) |
| Vicar to Oldenburg in Holstein | 1,367.50 mi (2,200.77 km) |
| Vicar to Olfen | 1,139.34 mi (1,833.59 km) |
| Vicar to Olpe | 1,107.59 mi (1,782.49 km) |
| Vicar to Olsberg | 1,142.10 mi (1,838.04 km) |
| Vicar to Oranienburg | 1,341.33 mi (2,158.66 km) |
| Vicar to Ortenberg | 1,099.70 mi (1,769.79 km) |
