| Killamarsh to Octeville | 255.60 mi (411.35 km) |
| Killamarsh to Oignies | 269.18 mi (433.20 km) |
| Killamarsh to Oissel | 293.77 mi (472.78 km) |
| Killamarsh to Olivet | 402.38 mi (647.56 km) |
| Killamarsh to Ollioules | 775.85 mi (1,248.62 km) |
| Killamarsh to Olonne-sur-Mer | 469.20 mi (755.11 km) |
| Killamarsh to Oloron-Sainte-Marie | 700.40 mi (1,127.19 km) |
| Killamarsh to Onet Village | 643.45 mi (1,035.53 km) |
| Killamarsh to Onnaing | 291.36 mi (468.89 km) |
| Killamarsh to Orange | 692.44 mi (1,114.37 km) |
| Killamarsh to Orchies | 276.28 mi (444.63 km) |
| Killamarsh to Orleans | 399.99 mi (643.72 km) |
| Killamarsh to Orly | 354.71 mi (570.84 km) |
| Killamarsh to Ormesson-sur-Marne | 355.02 mi (571.35 km) |
| Killamarsh to Orsay | 353.65 mi (569.14 km) |
