| Rialto to Olivares | 5,811.51 mi (9,352.73 km) |
| Rialto to Olivenza | 5,716.25 mi (9,199.42 km) |
| Rialto to Olot | 5,936.99 mi (9,554.66 km) |
| Rialto to Onate | 5,713.15 mi (9,194.43 km) |
| Rialto to Onda | 5,937.33 mi (9,555.21 km) |
| Rialto to Onteniente | 5,976.81 mi (9,618.74 km) |
| Rialto to Orihuela | 5,997.33 mi (9,651.77 km) |
| Rialto to Osuna | 5,864.12 mi (9,437.40 km) |
| Rialto to Ourense | 5,529.24 mi (8,898.45 km) |
| Rialto to Oviedo | 5,565.97 mi (8,957.57 km) |
| Rialto to Paiporta | 5,956.15 mi (9,585.50 km) |
| Rialto to Pajara | 5,826.38 mi (9,376.65 km) |
| Rialto to Palafolls | 5,971.30 mi (9,609.88 km) |
| Rialto to Palafrugell | 5,974.54 mi (9,615.09 km) |
| Rialto to Palamos | 5,976.74 mi (9,618.64 km) |
