| Baile Atha Luain to Oegstgeest | 524.68 mi (844.39 km) |
| Baile Atha Luain to Oirschot | 572.19 mi (920.85 km) |
| Baile Atha Luain to Oisterwijk | 566.30 mi (911.37 km) |
| Baile Atha Luain to Oldebroek | 579.41 mi (932.48 km) |
| Baile Atha Luain to Oldenzaal | 623.95 mi (1,004.15 km) |
| Baile Atha Luain to Ommen | 599.73 mi (965.18 km) |
| Baile Atha Luain to Oosterend | 579.41 mi (932.48 km) |
| Baile Atha Luain to Oosterhout | 551.02 mi (886.78 km) |
| Baile Atha Luain to Oosterwolde | 588.80 mi (947.59 km) |
| Baile Atha Luain to Oostzaan | 537.82 mi (865.53 km) |
| Baile Atha Luain to Opmeer | 536.91 mi (864.07 km) |
| Baile Atha Luain to Oss | 575.45 mi (926.09 km) |
| Baile Atha Luain to Oud-Beijerland | 528.77 mi (850.98 km) |
| Baile Atha Luain to Oudenbosch | 538.61 mi (866.81 km) |
| Baile Atha Luain to Oudewater | 544.03 mi (875.54 km) |
