| Coamo to Oerlinghausen | 4,607.90 mi (7,415.70 km) |
| Coamo to Oestrich-Winkel | 4,578.97 mi (7,369.13 km) |
| Coamo to Offenburg | 4,576.90 mi (7,365.81 km) |
| Coamo to Oftersheim | 4,605.53 mi (7,411.88 km) |
| Coamo to Ohrdruf | 4,698.20 mi (7,561.02 km) |
| Coamo to Ohringen | 4,647.03 mi (7,478.68 km) |
| Coamo to Olbernhau | 4,812.30 mi (7,744.65 km) |
| Coamo to Olching | 4,732.87 mi (7,616.82 km) |
| Coamo to Oldenburg | 4,589.70 mi (7,386.40 km) |
| Coamo to Oldenburg in Holstein | 4,699.07 mi (7,562.43 km) |
| Coamo to Olfen | 4,552.94 mi (7,327.25 km) |
| Coamo to Olpe | 4,571.75 mi (7,357.52 km) |
| Coamo to Olsberg | 4,599.98 mi (7,402.96 km) |
| Coamo to Oranienburg | 4,799.23 mi (7,723.61 km) |
| Coamo to Ortenberg | 4,625.43 mi (7,443.92 km) |
