| New Smyrna Beach to Nuth | 4,559.34 mi (7,337.55 km) |
| New Smyrna Beach to Oegstgeest | 4,476.33 mi (7,203.96 km) |
| New Smyrna Beach to Oirschot | 4,523.54 mi (7,279.93 km) |
| New Smyrna Beach to Oisterwijk | 4,517.79 mi (7,270.68 km) |
| New Smyrna Beach to Oldebroek | 4,529.45 mi (7,289.44 km) |
| New Smyrna Beach to Oldenzaal | 4,573.82 mi (7,360.86 km) |
| New Smyrna Beach to Ommen | 4,548.96 mi (7,320.85 km) |
| New Smyrna Beach to Oosterend | 4,525.33 mi (7,282.82 km) |
| New Smyrna Beach to Oosterhout | 4,502.50 mi (7,246.07 km) |
| New Smyrna Beach to Oosterwolde | 4,534.57 mi (7,297.68 km) |
| New Smyrna Beach to Oostzaan | 4,488.62 mi (7,223.74 km) |
| New Smyrna Beach to Opmeer | 4,486.34 mi (7,220.06 km) |
| New Smyrna Beach to Oss | 4,527.23 mi (7,285.87 km) |
| New Smyrna Beach to Oud-Beijerland | 4,480.41 mi (7,210.53 km) |
| New Smyrna Beach to Oudenbosch | 4,489.79 mi (7,225.62 km) |
