| Nampa to Opole | 5,374.90 mi (8,650.06 km) |
| Nampa to Orzesze | 5,424.15 mi (8,729.33 km) |
| Nampa to Osowa | 5,166.43 mi (8,314.57 km) |
| Nampa to Ostroda | 5,240.96 mi (8,434.50 km) |
| Nampa to Ostroleka | 5,312.03 mi (8,548.88 km) |
| Nampa to Ostrow Mazowiecka | 5,334.91 mi (8,585.70 km) |
| Nampa to Ostrow Wielkopolski | 5,314.64 mi (8,553.08 km) |
| Nampa to Ostrowiec Swietokrzyski | 5,436.55 mi (8,749.28 km) |
| Nampa to Ostrzeszow | 5,330.93 mi (8,579.31 km) |
| Nampa to Oswiecim | 5,441.58 mi (8,757.38 km) |
| Nampa to Otwock | 5,362.72 mi (8,630.46 km) |
| Nampa to Ozarow Mazowiecki | 5,346.84 mi (8,604.91 km) |
| Nampa to Ozimek | 5,380.98 mi (8,659.86 km) |
| Nampa to Ozorkow | 5,328.85 mi (8,575.95 km) |
| Nampa to Pabianice | 5,349.79 mi (8,609.65 km) |
