| Tomball to Noventa Vicentina | 5,514.85 mi (8,875.29 km) |
| Tomball to Novi di Modena | 5,503.44 mi (8,856.94 km) |
| Tomball to Novi Ligure | 5,420.30 mi (8,723.12 km) |
| Tomball to Nuoro | 5,605.43 mi (9,021.07 km) |
| Tomball to Occhiobello | 5,530.39 mi (8,900.30 km) |
| Tomball to Oderzo | 5,534.95 mi (8,907.63 km) |
| Tomball to Oggiono | 5,406.99 mi (8,701.71 km) |
| Tomball to Olbia | 5,590.72 mi (8,997.39 km) |
| Tomball to Oleggio | 5,383.95 mi (8,664.63 km) |
| Tomball to Olgiate Comasco | 5,391.20 mi (8,676.31 km) |
| Tomball to Olgiate Olona | 5,393.12 mi (8,679.38 km) |
| Tomball to Omegna | 5,364.72 mi (8,633.69 km) |
| Tomball to Opera | 5,415.88 mi (8,716.01 km) |
| Tomball to Oppeano | 5,499.92 mi (8,851.26 km) |
| Tomball to Orbassano | 5,359.01 mi (8,624.49 km) |
