| South Bend to Olivares | 4,119.00 mi (6,628.89 km) |
| South Bend to Olivenza | 4,029.53 mi (6,484.91 km) |
| South Bend to Olot | 4,332.89 mi (6,973.12 km) |
| South Bend to Onate | 4,089.49 mi (6,581.40 km) |
| South Bend to Onda | 4,295.08 mi (6,912.26 km) |
| South Bend to Onteniente | 4,322.30 mi (6,956.08 km) |
| South Bend to Orihuela | 4,334.64 mi (6,975.93 km) |
| South Bend to Osuna | 4,174.75 mi (6,718.60 km) |
| South Bend to Ourense | 3,871.22 mi (6,230.12 km) |
| South Bend to Oviedo | 3,927.83 mi (6,321.24 km) |
| South Bend to Paiporta | 4,308.11 mi (6,933.24 km) |
| South Bend to Pajara | 4,067.35 mi (6,545.77 km) |
| South Bend to Palafolls | 4,363.48 mi (7,022.34 km) |
| South Bend to Palafrugell | 4,371.86 mi (7,035.83 km) |
| South Bend to Palamos | 4,373.10 mi (7,037.83 km) |
