| Nagykallo to Novi di Modena | 560.59 mi (902.18 km) |
| Nagykallo to Novi Ligure | 658.72 mi (1,060.11 km) |
| Nagykallo to Nuoro | 810.02 mi (1,303.61 km) |
| Nagykallo to Occhiobello | 529.80 mi (852.64 km) |
| Nagykallo to Oderzo | 465.20 mi (748.67 km) |
| Nagykallo to Oggiono | 607.66 mi (977.94 km) |
| Nagykallo to Olbia | 775.18 mi (1,247.53 km) |
| Nagykallo to Oleggio | 644.48 mi (1,037.20 km) |
| Nagykallo to Olgiate Comasco | 625.21 mi (1,006.17 km) |
| Nagykallo to Olgiate Olona | 632.31 mi (1,017.60 km) |
| Nagykallo to Omegna | 648.91 mi (1,044.33 km) |
| Nagykallo to Opera | 622.95 mi (1,002.54 km) |
| Nagykallo to Oppeano | 536.45 mi (863.33 km) |
| Nagykallo to Orbassano | 708.62 mi (1,140.41 km) |
| Nagykallo to Orbetello | 639.42 mi (1,029.04 km) |
