| Cities | Distance |
|---|---|
| Guyancourt to Oria | 951.87 mi (1,531.88 km) |
| Guyancourt to Oristano | 691.45 mi (1,112.78 km) |
| Guyancourt to Orta Nova | 838.98 mi (1,350.20 km) |
| Guyancourt to Orte | 661.16 mi (1,064.04 km) |
| Guyancourt to Ortona | 741.74 mi (1,193.71 km) |
| Guyancourt to Orvieto | 638.66 mi (1,027.82 km) |
| Guyancourt to Orzinuovi | 436.68 mi (702.76 km) |
| Guyancourt to Osimo | 656.18 mi (1,056.03 km) |
| Guyancourt to Ospitaletto | 436.24 mi (702.06 km) |
| Guyancourt to Ostuni | 939.18 mi (1,511.46 km) |
| Guyancourt to Ottaviano | 816.19 mi (1,313.52 km) |
| Guyancourt to Ovada | 422.20 mi (679.46 km) |
| Guyancourt to Ozieri | 659.54 mi (1,061.43 km) |
| Guyancourt to Paceco | 910.50 mi (1,465.31 km) |
| Guyancourt to Pachino | 1,060.18 mi (1,706.19 km) |