| Butler to Nuth | 3,946.40 mi (6,351.11 km) |
| Butler to Oegstgeest | 3,853.99 mi (6,202.40 km) |
| Butler to Oirschot | 3,906.15 mi (6,286.34 km) |
| Butler to Oisterwijk | 3,899.80 mi (6,276.13 km) |
| Butler to Oldebroek | 3,901.20 mi (6,278.37 km) |
| Butler to Oldenzaal | 3,944.49 mi (6,348.04 km) |
| Butler to Ommen | 3,918.88 mi (6,306.82 km) |
| Butler to Oosterend | 3,891.29 mi (6,262.43 km) |
| Butler to Oosterhout | 3,884.72 mi (6,251.86 km) |
| Butler to Oosterwolde | 3,900.16 mi (6,276.70 km) |
| Butler to Oostzaan | 3,862.84 mi (6,216.64 km) |
| Butler to Opmeer | 3,857.74 mi (6,208.44 km) |
| Butler to Oss | 3,906.65 mi (6,287.14 km) |
| Butler to Oud-Beijerland | 3,861.94 mi (6,215.19 km) |
| Butler to Oudenbosch | 3,873.34 mi (6,233.54 km) |
