| San Tan Valley to Nuth | 5,495.55 mi (8,844.23 km) |
| San Tan Valley to Oegstgeest | 5,392.50 mi (8,678.39 km) |
| San Tan Valley to Oirschot | 5,450.12 mi (8,771.13 km) |
| San Tan Valley to Oisterwijk | 5,443.12 mi (8,759.85 km) |
| San Tan Valley to Oldebroek | 5,426.80 mi (8,733.60 km) |
| San Tan Valley to Oldenzaal | 5,465.69 mi (8,796.18 km) |
| San Tan Valley to Ommen | 5,440.22 mi (8,755.18 km) |
| San Tan Valley to Oosterend | 5,407.11 mi (8,701.90 km) |
| San Tan Valley to Oosterhout | 5,429.21 mi (8,737.48 km) |
| San Tan Valley to Oosterwolde | 5,414.79 mi (8,714.26 km) |
| San Tan Valley to Oostzaan | 5,394.93 mi (8,682.30 km) |
| San Tan Valley to Opmeer | 5,385.23 mi (8,666.68 km) |
| San Tan Valley to Oss | 5,445.22 mi (8,763.23 km) |
| San Tan Valley to Oud-Beijerland | 5,406.52 mi (8,700.96 km) |
| San Tan Valley to Oudenbosch | 5,420.67 mi (8,723.72 km) |
