| Katy to Noventa Vicentina | 5,539.06 mi (8,914.25 km) |
| Katy to Novi di Modena | 5,527.60 mi (8,895.81 km) |
| Katy to Novi Ligure | 5,444.36 mi (8,761.86 km) |
| Katy to Nuoro | 5,629.10 mi (9,059.16 km) |
| Katy to Occhiobello | 5,554.57 mi (8,939.22 km) |
| Katy to Oderzo | 5,559.22 mi (8,946.70 km) |
| Katy to Oggiono | 5,431.16 mi (8,740.61 km) |
| Katy to Olbia | 5,614.46 mi (9,035.60 km) |
| Katy to Oleggio | 5,408.08 mi (8,703.47 km) |
| Katy to Olgiate Comasco | 5,415.36 mi (8,715.19 km) |
| Katy to Olgiate Olona | 5,417.26 mi (8,718.24 km) |
| Katy to Omegna | 5,388.87 mi (8,672.55 km) |
| Katy to Opera | 5,440.01 mi (8,754.86 km) |
| Katy to Oppeano | 5,524.11 mi (8,890.20 km) |
| Katy to Orbassano | 5,383.05 mi (8,663.18 km) |
