| New Smyrna Beach to Oberkirch | 4,704.40 mi (7,571.00 km) |
| New Smyrna Beach to Obernburg am Main | 4,719.04 mi (7,594.55 km) |
| New Smyrna Beach to Obernkirchen | 4,662.68 mi (7,503.86 km) |
| New Smyrna Beach to Oberschleissheim | 4,860.78 mi (7,822.67 km) |
| New Smyrna Beach to Oberstdorf | 4,826.71 mi (7,767.83 km) |
| New Smyrna Beach to Obertraubling | 4,867.66 mi (7,833.73 km) |
| New Smyrna Beach to Obertshausen | 4,700.88 mi (7,565.33 km) |
| New Smyrna Beach to Oberursel | 4,687.03 mi (7,543.05 km) |
| New Smyrna Beach to Ochsenfurt | 4,762.34 mi (7,664.25 km) |
| New Smyrna Beach to Ochsenhausen | 4,795.83 mi (7,718.15 km) |
| New Smyrna Beach to Ochtrup | 4,586.49 mi (7,381.24 km) |
| New Smyrna Beach to Odenthal | 4,608.09 mi (7,416.01 km) |
| New Smyrna Beach to Oelde | 4,633.22 mi (7,456.45 km) |
| New Smyrna Beach to Oelsnitz | 4,830.32 mi (7,773.65 km) |
| New Smyrna Beach to Oer-Erkenschwick | 4,600.72 mi (7,404.15 km) |
