| Grimes to Oerlinghausen | 4,483.08 mi (7,214.82 km) |
| Grimes to Oestrich-Winkel | 4,540.62 mi (7,307.41 km) |
| Grimes to Offenburg | 4,601.85 mi (7,405.97 km) |
| Grimes to Oftersheim | 4,587.65 mi (7,383.10 km) |
| Grimes to Ohrdruf | 4,601.57 mi (7,405.52 km) |
| Grimes to Ohringen | 4,627.54 mi (7,447.30 km) |
| Grimes to Olbernhau | 4,697.12 mi (7,559.29 km) |
| Grimes to Olching | 4,735.38 mi (7,620.86 km) |
| Grimes to Oldenburg | 4,419.90 mi (7,113.14 km) |
| Grimes to Oldenburg in Holstein | 4,460.72 mi (7,178.84 km) |
| Grimes to Olfen | 4,448.91 mi (7,159.82 km) |
| Grimes to Olpe | 4,493.00 mi (7,230.79 km) |
| Grimes to Olsberg | 4,502.04 mi (7,245.33 km) |
| Grimes to Oranienburg | 4,602.59 mi (7,407.15 km) |
| Grimes to Ortenberg | 4,563.18 mi (7,343.73 km) |
