| Tralee to Octeville | 394.89 mi (635.51 km) |
| Tralee to Oignies | 560.52 mi (902.06 km) |
| Tralee to Oissel | 511.93 mi (823.88 km) |
| Tralee to Olivet | 596.57 mi (960.09 km) |
| Tralee to Ollioules | 955.63 mi (1,537.93 km) |
| Tralee to Olonne-sur-Mer | 532.05 mi (856.26 km) |
| Tralee to Oloron-Sainte-Marie | 754.66 mi (1,214.51 km) |
| Tralee to Onet Village | 783.49 mi (1,260.91 km) |
| Tralee to Onnaing | 587.57 mi (945.60 km) |
| Tralee to Orange | 869.95 mi (1,400.05 km) |
| Tralee to Orchies | 570.91 mi (918.78 km) |
| Tralee to Orleans | 595.37 mi (958.15 km) |
| Tralee to Orly | 583.42 mi (938.92 km) |
| Tralee to Ormesson-sur-Marne | 587.81 mi (945.99 km) |
| Tralee to Orsay | 576.83 mi (928.32 km) |
