| Butler to Opole | 4,411.57 mi (7,099.74 km) |
| Butler to Orzesze | 4,461.31 mi (7,179.79 km) |
| Butler to Osowa | 4,289.85 mi (6,903.84 km) |
| Butler to Ostroda | 4,368.05 mi (7,029.69 km) |
| Butler to Ostroleka | 4,447.18 mi (7,157.04 km) |
| Butler to Ostrow Mazowiecka | 4,469.10 mi (7,192.32 km) |
| Butler to Ostrow Wielkopolski | 4,370.18 mi (7,033.12 km) |
| Butler to Ostrowiec Swietokrzyski | 4,526.05 mi (7,283.98 km) |
| Butler to Ostrzeszow | 4,383.15 mi (7,054.00 km) |
| Butler to Oswiecim | 4,482.93 mi (7,214.58 km) |
| Butler to Otwock | 4,474.29 mi (7,200.68 km) |
| Butler to Ozarow Mazowiecki | 4,454.10 mi (7,168.18 km) |
| Butler to Ozimek | 4,421.55 mi (7,115.79 km) |
| Butler to Ozorkow | 4,410.50 mi (7,098.01 km) |
| Butler to Pabianice | 4,426.22 mi (7,123.31 km) |
