| Martinsville to Oerlinghausen | 4,221.96 mi (6,794.59 km) |
| Martinsville to Oestrich-Winkel | 4,250.68 mi (6,840.82 km) |
| Martinsville to Offenburg | 4,292.07 mi (6,907.41 km) |
| Martinsville to Oftersheim | 4,292.55 mi (6,908.19 km) |
| Martinsville to Ohrdruf | 4,335.71 mi (6,977.65 km) |
| Martinsville to Ohringen | 4,334.89 mi (6,976.33 km) |
| Martinsville to Olbernhau | 4,442.47 mi (7,149.47 km) |
| Martinsville to Olching | 4,439.78 mi (7,145.14 km) |
| Martinsville to Oldenburg | 4,172.38 mi (6,714.80 km) |
| Martinsville to Oldenburg in Holstein | 4,240.83 mi (6,824.96 km) |
| Martinsville to Olfen | 4,178.51 mi (6,724.66 km) |
| Martinsville to Olpe | 4,215.48 mi (6,784.15 km) |
| Martinsville to Olsberg | 4,231.96 mi (6,810.68 km) |
| Martinsville to Oranienburg | 4,373.72 mi (7,038.83 km) |
| Martinsville to Ortenberg | 4,282.98 mi (6,892.79 km) |
