| Powder Springs to Oerlinghausen | 4,550.26 mi (7,322.94 km) |
| Powder Springs to Oestrich-Winkel | 4,581.15 mi (7,372.66 km) |
| Powder Springs to Offenburg | 4,623.79 mi (7,441.27 km) |
| Powder Springs to Oftersheim | 4,623.41 mi (7,440.66 km) |
| Powder Springs to Ohrdruf | 4,664.59 mi (7,506.92 km) |
| Powder Springs to Ohringen | 4,665.65 mi (7,508.64 km) |
| Powder Springs to Olbernhau | 4,770.63 mi (7,677.59 km) |
| Powder Springs to Olching | 4,770.87 mi (7,677.97 km) |
| Powder Springs to Oldenburg | 4,499.43 mi (7,241.13 km) |
| Powder Springs to Oldenburg in Holstein | 4,565.40 mi (7,347.30 km) |
| Powder Springs to Olfen | 4,507.46 mi (7,254.06 km) |
| Powder Springs to Olpe | 4,545.03 mi (7,314.52 km) |
| Powder Springs to Olsberg | 4,560.98 mi (7,340.19 km) |
| Powder Springs to Oranienburg | 4,699.46 mi (7,563.06 km) |
| Powder Springs to Ortenberg | 4,612.83 mi (7,423.64 km) |
