| Monzon to Opole | 1,036.70 mi (1,668.41 km) |
| Monzon to Orzesze | 1,052.35 mi (1,693.60 km) |
| Monzon to Osowa | 1,200.35 mi (1,931.78 km) |
| Monzon to Ostroda | 1,219.62 mi (1,962.78 km) |
| Monzon to Ostroleka | 1,252.85 mi (2,016.27 km) |
| Monzon to Ostrow Mazowiecka | 1,256.17 mi (2,021.61 km) |
| Monzon to Ostrow Wielkopolski | 1,066.82 mi (1,716.88 km) |
| Monzon to Ostrowiec Swietokrzyski | 1,180.67 mi (1,900.11 km) |
| Monzon to Ostrzeszow | 1,062.64 mi (1,710.16 km) |
| Monzon to Oswiecim | 1,068.02 mi (1,718.80 km) |
| Monzon to Otwock | 1,210.63 mi (1,948.32 km) |
| Monzon to Ozarow Mazowiecki | 1,196.36 mi (1,925.35 km) |
| Monzon to Ozimek | 1,047.67 mi (1,686.07 km) |
| Monzon to Ozorkow | 1,131.76 mi (1,821.40 km) |
| Monzon to Pabianice | 1,124.61 mi (1,809.89 km) |
