| Cities | Distance |
|---|---|
| Houilles to Oria | 952.98 mi (1,533.67 km) |
| Houilles to Oristano | 698.15 mi (1,123.57 km) |
| Houilles to Orta Nova | 840.43 mi (1,352.53 km) |
| Houilles to Orte | 663.60 mi (1,067.96 km) |
| Houilles to Ortona | 743.08 mi (1,195.87 km) |
| Houilles to Orvieto | 641.05 mi (1,031.67 km) |
| Houilles to Orzinuovi | 437.50 mi (704.09 km) |
| Houilles to Osimo | 657.01 mi (1,057.36 km) |
| Houilles to Ospitaletto | 436.72 mi (702.83 km) |
| Houilles to Ostuni | 940.16 mi (1,513.04 km) |
| Houilles to Ottaviano | 818.62 mi (1,317.44 km) |
| Houilles to Ovada | 425.23 mi (684.35 km) |
| Houilles to Ozieri | 665.64 mi (1,071.24 km) |
| Houilles to Paceco | 915.59 mi (1,473.50 km) |
| Houilles to Pachino | 1,064.47 mi (1,713.10 km) |