| Massillon to Opole | 4,474.67 mi (7,201.29 km) |
| Massillon to Orzesze | 4,524.56 mi (7,281.57 km) |
| Massillon to Osowa | 4,349.09 mi (6,999.18 km) |
| Massillon to Ostroda | 4,427.44 mi (7,125.27 km) |
| Massillon to Ostroleka | 4,506.55 mi (7,252.58 km) |
| Massillon to Ostrow Mazowiecka | 4,528.59 mi (7,288.06 km) |
| Massillon to Ostrow Wielkopolski | 4,432.40 mi (7,133.26 km) |
| Massillon to Ostrowiec Swietokrzyski | 4,587.50 mi (7,382.86 km) |
| Massillon to Ostrzeszow | 4,445.55 mi (7,154.42 km) |
| Massillon to Oswiecim | 4,546.09 mi (7,316.22 km) |
| Massillon to Otwock | 4,534.69 mi (7,297.88 km) |
| Massillon to Ozarow Mazowiecki | 4,514.59 mi (7,265.54 km) |
| Massillon to Ozimek | 4,484.53 mi (7,217.15 km) |
| Massillon to Ozorkow | 4,471.84 mi (7,196.73 km) |
| Massillon to Pabianice | 4,487.82 mi (7,222.46 km) |
