| Kostinbrod to Novi di Modena | 629.48 mi (1,013.05 km) |
| Kostinbrod to Novi Ligure | 731.19 mi (1,176.73 km) |
| Kostinbrod to Nuoro | 737.25 mi (1,186.49 km) |
| Kostinbrod to Occhiobello | 596.96 mi (960.72 km) |
| Kostinbrod to Oderzo | 567.91 mi (913.96 km) |
| Kostinbrod to Oggiono | 714.61 mi (1,150.06 km) |
| Kostinbrod to Olbia | 717.03 mi (1,153.95 km) |
| Kostinbrod to Oleggio | 746.25 mi (1,200.97 km) |
| Kostinbrod to Olgiate Comasco | 732.72 mi (1,179.20 km) |
| Kostinbrod to Olgiate Olona | 734.75 mi (1,182.46 km) |
| Kostinbrod to Omegna | 760.42 mi (1,223.78 km) |
| Kostinbrod to Opera | 715.90 mi (1,152.13 km) |
| Kostinbrod to Oppeano | 620.96 mi (999.33 km) |
| Kostinbrod to Orbassano | 793.68 mi (1,277.30 km) |
| Kostinbrod to Orbetello | 610.29 mi (982.17 km) |
