| Roswell to Opole | 4,923.87 mi (7,924.21 km) |
| Roswell to Orzesze | 4,973.21 mi (8,003.60 km) |
| Roswell to Osowa | 4,809.98 mi (7,740.92 km) |
| Roswell to Ostroda | 4,887.87 mi (7,866.27 km) |
| Roswell to Ostroleka | 4,966.99 mi (7,993.60 km) |
| Roswell to Ostrow Mazowiecka | 4,988.69 mi (8,028.52 km) |
| Roswell to Ostrow Wielkopolski | 4,884.50 mi (7,860.85 km) |
| Roswell to Ostrowiec Swietokrzyski | 5,041.89 mi (8,114.14 km) |
| Roswell to Ostrzeszow | 4,897.08 mi (7,881.09 km) |
| Roswell to Oswiecim | 4,995.02 mi (8,038.70 km) |
| Roswell to Otwock | 4,992.24 mi (8,034.23 km) |
| Roswell to Ozarow Mazowiecki | 4,971.88 mi (8,001.46 km) |
| Roswell to Ozimek | 4,934.11 mi (7,940.68 km) |
| Roswell to Ozorkow | 4,926.64 mi (7,928.66 km) |
| Roswell to Pabianice | 4,941.82 mi (7,953.09 km) |
