| Enniscorthy to Oegstgeest | 465.77 mi (749.59 km) |
| Enniscorthy to Oirschot | 508.87 mi (818.95 km) |
| Enniscorthy to Oisterwijk | 503.46 mi (810.24 km) |
| Enniscorthy to Oldebroek | 523.98 mi (843.26 km) |
| Enniscorthy to Oldenzaal | 568.28 mi (914.56 km) |
| Enniscorthy to Ommen | 545.21 mi (877.44 km) |
| Enniscorthy to Oosterend | 528.72 mi (850.89 km) |
| Enniscorthy to Oosterhout | 488.21 mi (785.70 km) |
| Enniscorthy to Oosterwolde | 538.09 mi (865.98 km) |
| Enniscorthy to Oostzaan | 481.44 mi (774.80 km) |
| Enniscorthy to Opmeer | 482.94 mi (777.21 km) |
| Enniscorthy to Oss | 514.33 mi (827.73 km) |
| Enniscorthy to Oud-Beijerland | 466.75 mi (751.17 km) |
| Enniscorthy to Oudenbosch | 474.98 mi (764.40 km) |
| Enniscorthy to Oudewater | 484.15 mi (779.16 km) |
