| Massama to Opole | 1,555.59 mi (2,503.48 km) |
| Massama to Orzesze | 1,576.96 mi (2,537.87 km) |
| Massama to Osowa | 1,685.98 mi (2,713.32 km) |
| Massama to Ostroda | 1,717.52 mi (2,764.09 km) |
| Massama to Ostroleka | 1,760.72 mi (2,833.61 km) |
| Massama to Ostrow Mazowiecka | 1,766.99 mi (2,843.70 km) |
| Massama to Ostrow Wielkopolski | 1,576.96 mi (2,537.87 km) |
| Massama to Ostrowiec Swietokrzyski | 1,704.44 mi (2,743.03 km) |
| Massama to Ostrzeszow | 1,575.19 mi (2,535.02 km) |
| Massama to Oswiecim | 1,594.26 mi (2,565.71 km) |
| Massama to Otwock | 1,725.50 mi (2,776.92 km) |
| Massama to Ozarow Mazowiecki | 1,709.41 mi (2,751.03 km) |
| Massama to Ozimek | 1,567.18 mi (2,522.12 km) |
| Massama to Ozorkow | 1,643.20 mi (2,644.48 km) |
| Massama to Pabianice | 1,638.96 mi (2,637.65 km) |
