| Rialto to Nuth | 5,626.21 mi (9,054.51 km) |
| Rialto to Oegstgeest | 5,521.29 mi (8,885.67 km) |
| Rialto to Oirschot | 5,579.80 mi (8,979.81 km) |
| Rialto to Oisterwijk | 5,572.69 mi (8,968.37 km) |
| Rialto to Oldebroek | 5,551.15 mi (8,933.72 km) |
| Rialto to Oldenzaal | 5,588.14 mi (8,993.24 km) |
| Rialto to Ommen | 5,563.07 mi (8,952.90 km) |
| Rialto to Oosterend | 5,528.79 mi (8,897.72 km) |
| Rialto to Oosterhout | 5,559.34 mi (8,946.90 km) |
| Rialto to Oosterwolde | 5,535.99 mi (8,909.32 km) |
| Rialto to Oostzaan | 5,521.72 mi (8,886.35 km) |
| Rialto to Opmeer | 5,510.75 mi (8,868.69 km) |
| Rialto to Oss | 5,573.28 mi (8,969.33 km) |
| Rialto to Oud-Beijerland | 5,537.00 mi (8,910.93 km) |
| Rialto to Oudenbosch | 5,551.79 mi (8,934.75 km) |
