| Fort Lewis to Nuth | 5,005.18 mi (8,055.07 km) |
| Fort Lewis to Oegstgeest | 4,898.59 mi (7,883.52 km) |
| Fort Lewis to Oirschot | 4,957.66 mi (7,978.58 km) |
| Fort Lewis to Oisterwijk | 4,950.48 mi (7,967.03 km) |
| Fort Lewis to Oldebroek | 4,917.90 mi (7,914.59 km) |
| Fort Lewis to Oldenzaal | 4,949.87 mi (7,966.04 km) |
| Fort Lewis to Ommen | 4,926.28 mi (7,928.08 km) |
| Fort Lewis to Oosterend | 4,890.21 mi (7,870.03 km) |
| Fort Lewis to Oosterhout | 4,938.72 mi (7,948.09 km) |
| Fort Lewis to Oosterwolde | 4,896.23 mi (7,879.72 km) |
| Fort Lewis to Oostzaan | 4,894.54 mi (7,877.00 km) |
| Fort Lewis to Opmeer | 4,881.03 mi (7,855.26 km) |
| Fort Lewis to Oss | 4,947.71 mi (7,962.58 km) |
| Fort Lewis to Oud-Beijerland | 4,917.69 mi (7,914.25 km) |
| Fort Lewis to Oudenbosch | 4,933.61 mi (7,939.87 km) |
