| Maria Enzersdorf to Oria | 529.31 mi (851.84 km) |
| Maria Enzersdorf to Oristano | 682.36 mi (1,098.16 km) |
| Maria Enzersdorf to Orta Nova | 468.54 mi (754.05 km) |
| Maria Enzersdorf to Orte | 433.14 mi (697.08 km) |
| Maria Enzersdorf to Ortona | 407.69 mi (656.11 km) |
| Maria Enzersdorf to Orvieto | 423.21 mi (681.09 km) |
| Maria Enzersdorf to Orzinuovi | 353.63 mi (569.10 km) |
| Maria Enzersdorf to Osimo | 346.27 mi (557.27 km) |
| Maria Enzersdorf to Ospitaletto | 342.03 mi (550.45 km) |
| Maria Enzersdorf to Ostuni | 513.00 mi (825.59 km) |
| Maria Enzersdorf to Ottaviano | 508.74 mi (818.73 km) |
| Maria Enzersdorf to Ovada | 435.27 mi (700.50 km) |
| Maria Enzersdorf to Ozieri | 631.05 mi (1,015.57 km) |
| Maria Enzersdorf to Paceco | 723.74 mi (1,164.74 km) |
| Maria Enzersdorf to Pachino | 788.80 mi (1,269.45 km) |
