| Naperville to Orthez | 4,223.58 mi (6,797.19 km) |
| Naperville to Orvault | 4,055.19 mi (6,526.20 km) |
| Naperville to Osny | 4,140.89 mi (6,664.12 km) |
| Naperville to Ostwald | 4,377.24 mi (7,044.48 km) |
| Naperville to Ouistreham | 4,042.32 mi (6,505.48 km) |
| Naperville to Oullins | 4,372.18 mi (7,036.35 km) |
| Naperville to Outreau | 4,066.16 mi (6,543.86 km) |
| Naperville to Oyonnax | 4,385.39 mi (7,057.61 km) |
| Naperville to Ozoir-la-Ferriere | 4,174.92 mi (6,718.88 km) |
| Naperville to Pace | 4,019.62 mi (6,468.96 km) |
| Naperville to Palaiseau | 4,160.17 mi (6,695.15 km) |
| Naperville to Pamiers | 4,338.50 mi (6,982.14 km) |
| Naperville to Panazol | 4,225.46 mi (6,800.22 km) |
| Naperville to Pantin | 4,159.85 mi (6,694.63 km) |
| Naperville to Paray-le-Monial | 4,316.74 mi (6,947.12 km) |
