| Koyulhisar to Noventa Vicentina | 1,370.20 mi (2,205.12 km) |
| Koyulhisar to Novi di Modena | 1,398.89 mi (2,251.30 km) |
| Koyulhisar to Novi Ligure | 1,502.03 mi (2,417.29 km) |
| Koyulhisar to Nuoro | 1,494.87 mi (2,405.75 km) |
| Koyulhisar to Occhiobello | 1,365.82 mi (2,198.07 km) |
| Koyulhisar to Oderzo | 1,327.83 mi (2,136.93 km) |
| Koyulhisar to Oggiono | 1,478.43 mi (2,379.31 km) |
| Koyulhisar to Olbia | 1,480.08 mi (2,381.96 km) |
| Koyulhisar to Oleggio | 1,512.04 mi (2,433.39 km) |
| Koyulhisar to Olgiate Comasco | 1,496.85 mi (2,408.94 km) |
| Koyulhisar to Olgiate Olona | 1,500.13 mi (2,414.22 km) |
| Koyulhisar to Omegna | 1,524.20 mi (2,452.96 km) |
| Koyulhisar to Opera | 1,482.91 mi (2,386.52 km) |
| Koyulhisar to Oppeano | 1,387.24 mi (2,232.55 km) |
| Koyulhisar to Orbassano | 1,563.57 mi (2,516.31 km) |
