| Allouez to Nuth | 4,085.33 mi (6,574.70 km) |
| Allouez to Oegstgeest | 3,986.47 mi (6,415.60 km) |
| Allouez to Oirschot | 4,041.98 mi (6,504.94 km) |
| Allouez to Oisterwijk | 4,035.23 mi (6,494.07 km) |
| Allouez to Oldebroek | 4,027.33 mi (6,481.37 km) |
| Allouez to Oldenzaal | 4,068.75 mi (6,548.02 km) |
| Allouez to Ommen | 4,042.97 mi (6,506.53 km) |
| Allouez to Oosterend | 4,012.28 mi (6,457.14 km) |
| Allouez to Oosterhout | 4,020.64 mi (6,470.60 km) |
| Allouez to Oosterwolde | 4,020.62 mi (6,470.57 km) |
| Allouez to Oostzaan | 3,992.01 mi (6,424.51 km) |
| Allouez to Opmeer | 3,984.45 mi (6,412.36 km) |
| Allouez to Oss | 4,039.62 mi (6,501.14 km) |
| Allouez to Oud-Beijerland | 3,997.71 mi (6,433.69 km) |
| Allouez to Oudenbosch | 4,010.67 mi (6,454.56 km) |
