| Koyulhisar to Opole | 1,194.29 mi (1,922.02 km) |
| Koyulhisar to Orzesze | 1,145.50 mi (1,843.50 km) |
| Koyulhisar to Osowa | 1,322.77 mi (2,128.79 km) |
| Koyulhisar to Ostroda | 1,244.01 mi (2,002.04 km) |
| Koyulhisar to Ostroleka | 1,165.67 mi (1,875.97 km) |
| Koyulhisar to Ostrow Mazowiecka | 1,142.98 mi (1,839.45 km) |
| Koyulhisar to Ostrow Wielkopolski | 1,232.99 mi (1,984.31 km) |
| Koyulhisar to Ostrowiec Swietokrzyski | 1,077.03 mi (1,733.32 km) |
| Koyulhisar to Ostrzeszow | 1,220.33 mi (1,963.93 km) |
| Koyulhisar to Oswiecim | 1,123.49 mi (1,808.09 km) |
| Koyulhisar to Otwock | 1,132.01 mi (1,821.79 km) |
| Koyulhisar to Ozarow Mazowiecki | 1,151.70 mi (1,853.48 km) |
| Koyulhisar to Ozimek | 1,183.83 mi (1,905.19 km) |
| Koyulhisar to Ozorkow | 1,192.72 mi (1,919.50 km) |
| Koyulhisar to Pabianice | 1,176.71 mi (1,893.73 km) |
