| Pittsfield to Opole | 4,089.02 mi (6,580.64 km) |
| Pittsfield to Orzesze | 4,138.27 mi (6,659.90 km) |
| Pittsfield to Osowa | 3,978.79 mi (6,403.25 km) |
| Pittsfield to Ostroda | 4,056.40 mi (6,528.14 km) |
| Pittsfield to Ostroleka | 4,135.46 mi (6,655.37 km) |
| Pittsfield to Ostrow Mazowiecka | 4,156.98 mi (6,690.02 km) |
| Pittsfield to Ostrow Wielkopolski | 4,050.19 mi (6,518.14 km) |
| Pittsfield to Ostrowiec Swietokrzyski | 4,208.07 mi (6,772.24 km) |
| Pittsfield to Ostrzeszow | 4,062.64 mi (6,538.18 km) |
| Pittsfield to Oswiecim | 4,160.11 mi (6,695.05 km) |
| Pittsfield to Otwock | 4,159.46 mi (6,694.00 km) |
| Pittsfield to Ozarow Mazowiecki | 4,139.01 mi (6,661.10 km) |
| Pittsfield to Ozimek | 4,099.31 mi (6,597.20 km) |
| Pittsfield to Ozorkow | 4,092.99 mi (6,587.03 km) |
| Pittsfield to Pabianice | 4,107.93 mi (6,611.08 km) |
