| Gela to Oerlinghausen | 1,064.81 mi (1,713.64 km) |
| Gela to Oestrich-Winkel | 946.02 mi (1,522.47 km) |
| Gela to Offenburg | 849.60 mi (1,367.29 km) |
| Gela to Oftersheim | 896.04 mi (1,442.04 km) |
| Gela to Ohrdruf | 966.49 mi (1,555.42 km) |
| Gela to Ohringen | 871.41 mi (1,402.41 km) |
| Gela to Olbernhau | 940.76 mi (1,514.00 km) |
| Gela to Olching | 783.39 mi (1,260.75 km) |
| Gela to Oldenburg | 1,148.15 mi (1,847.77 km) |
| Gela to Oldenburg in Holstein | 1,201.40 mi (1,933.46 km) |
| Gela to Olfen | 1,066.31 mi (1,716.06 km) |
| Gela to Olpe | 1,014.20 mi (1,632.20 km) |
| Gela to Olsberg | 1,026.57 mi (1,652.10 km) |
| Gela to Oranienburg | 1,085.02 mi (1,746.17 km) |
| Gela to Ortenberg | 953.53 mi (1,534.56 km) |
