| Cities | Distance |
|---|---|
| Troyan to Novi di Modena | 700.91 mi (1,128.01 km) |
| Troyan to Novi Ligure | 803.34 mi (1,292.85 km) |
| Troyan to Nuoro | 813.12 mi (1,308.59 km) |
| Troyan to Occhiobello | 668.12 mi (1,075.23 km) |
| Troyan to Oderzo | 635.67 mi (1,023.02 km) |
| Troyan to Oggiono | 784.05 mi (1,261.81 km) |
| Troyan to Olbia | 793.11 mi (1,276.39 km) |
| Troyan to Oleggio | 816.41 mi (1,313.89 km) |
| Troyan to Olgiate Comasco | 802.29 mi (1,291.16 km) |
| Troyan to Olgiate Olona | 804.75 mi (1,295.13 km) |
| Troyan to Omegna | 829.92 mi (1,335.63 km) |
| Troyan to Opera | 786.47 mi (1,265.70 km) |
| Troyan to Oppeano | 691.12 mi (1,112.25 km) |
| Troyan to Orbassano | 865.45 mi (1,392.81 km) |
| Troyan to Orbetello | 686.09 mi (1,104.15 km) |