| American Canyon to Nuth | 5,527.11 mi (8,895.03 km) |
| American Canyon to Oegstgeest | 5,420.87 mi (8,724.05 km) |
| American Canyon to Oirschot | 5,479.92 mi (8,819.07 km) |
| American Canyon to Oisterwijk | 5,472.74 mi (8,807.53 km) |
| American Canyon to Oldebroek | 5,445.20 mi (8,763.20 km) |
| American Canyon to Oldenzaal | 5,479.62 mi (8,818.60 km) |
| American Canyon to Ommen | 5,455.26 mi (8,779.39 km) |
| American Canyon to Oosterend | 5,419.87 mi (8,722.44 km) |
| American Canyon to Oosterhout | 5,460.18 mi (8,787.31 km) |
| American Canyon to Oosterwolde | 5,426.46 mi (8,733.05 km) |
| American Canyon to Oostzaan | 5,418.90 mi (8,720.88 km) |
| American Canyon to Opmeer | 5,406.53 mi (8,700.97 km) |
| American Canyon to Oss | 5,471.54 mi (8,805.60 km) |
| American Canyon to Oud-Beijerland | 5,438.44 mi (8,752.33 km) |
| American Canyon to Oudenbosch | 5,453.90 mi (8,777.20 km) |
