| Pittsfield to Nyon | 3,761.87 mi (6,054.14 km) |
| Pittsfield to Oberriet | 3,871.88 mi (6,231.19 km) |
| Pittsfield to Obersiggenthal | 3,813.63 mi (6,137.44 km) |
| Pittsfield to Oberwil | 3,782.14 mi (6,086.76 km) |
| Pittsfield to Oberwingert | 3,832.44 mi (6,167.71 km) |
| Pittsfield to Oftringen | 3,803.40 mi (6,120.97 km) |
| Pittsfield to Olten | 3,801.65 mi (6,118.16 km) |
| Pittsfield to Onex | 3,762.45 mi (6,055.08 km) |
| Pittsfield to Opfikon | 3,826.72 mi (6,158.51 km) |
| Pittsfield to Ostermundigen | 3,796.95 mi (6,110.60 km) |
| Pittsfield to Payerne | 3,777.92 mi (6,079.97 km) |
| Pittsfield to Pfaffikon | 3,837.83 mi (6,176.39 km) |
| Pittsfield to Plan-les-Ouates | 3,763.68 mi (6,057.07 km) |
| Pittsfield to Pratteln | 3,788.09 mi (6,096.34 km) |
| Pittsfield to Prilly | 3,772.73 mi (6,071.62 km) |
