| Gela to Octeville | 1,174.51 mi (1,890.19 km) |
| Gela to Oignies | 1,080.31 mi (1,738.58 km) |
| Gela to Oissel | 1,073.06 mi (1,726.93 km) |
| Gela to Olivet | 973.60 mi (1,566.86 km) |
| Gela to Ollioules | 610.36 mi (982.28 km) |
| Gela to Olonne-sur-Mer | 1,049.71 mi (1,689.35 km) |
| Gela to Oloron-Sainte-Marie | 889.91 mi (1,432.17 km) |
| Gela to Onet Village | 790.43 mi (1,272.08 km) |
| Gela to Onnaing | 1,060.57 mi (1,706.83 km) |
| Gela to Orange | 694.80 mi (1,118.17 km) |
| Gela to Orchies | 1,074.30 mi (1,728.92 km) |
| Gela to Orleans | 975.23 mi (1,569.49 km) |
| Gela to Orly | 1,002.98 mi (1,614.14 km) |
| Gela to Ormesson-sur-Marne | 1,000.87 mi (1,610.74 km) |
| Gela to Orsay | 1,006.76 mi (1,620.23 km) |
