| Ballwin to Noventa Vicentina | 4,894.76 mi (7,877.36 km) |
| Ballwin to Novi di Modena | 4,885.56 mi (7,862.54 km) |
| Ballwin to Novi Ligure | 4,806.17 mi (7,734.78 km) |
| Ballwin to Nuoro | 5,006.69 mi (8,057.49 km) |
| Ballwin to Occhiobello | 4,911.36 mi (7,904.08 km) |
| Ballwin to Oderzo | 4,911.94 mi (7,905.00 km) |
| Ballwin to Oggiono | 4,788.57 mi (7,706.45 km) |
| Ballwin to Olbia | 4,989.32 mi (8,029.53 km) |
| Ballwin to Oleggio | 4,767.20 mi (7,672.07 km) |
| Ballwin to Olgiate Comasco | 4,773.35 mi (7,681.96 km) |
| Ballwin to Olgiate Olona | 4,775.88 mi (7,686.04 km) |
| Ballwin to Omegna | 4,747.38 mi (7,640.17 km) |
| Ballwin to Opera | 4,798.97 mi (7,723.20 km) |
| Ballwin to Oppeano | 4,880.31 mi (7,854.09 km) |
| Ballwin to Orbassano | 4,745.98 mi (7,637.92 km) |
