| Harrisburg to Orthez | 3,779.96 mi (6,083.25 km) |
| Harrisburg to Orvault | 3,638.30 mi (5,855.28 km) |
| Harrisburg to Osny | 3,748.67 mi (6,032.90 km) |
| Harrisburg to Ostwald | 3,997.23 mi (6,432.93 km) |
| Harrisburg to Ouistreham | 3,645.75 mi (5,867.26 km) |
| Harrisburg to Oullins | 3,961.34 mi (6,375.16 km) |
| Harrisburg to Outreau | 3,686.75 mi (5,933.26 km) |
| Harrisburg to Oyonnax | 3,981.22 mi (6,407.15 km) |
| Harrisburg to Ozoir-la-Ferriere | 3,782.06 mi (6,086.64 km) |
| Harrisburg to Pace | 3,609.56 mi (5,809.02 km) |
| Harrisburg to Palaiseau | 3,765.59 mi (6,060.13 km) |
| Harrisburg to Pamiers | 3,899.08 mi (6,274.97 km) |
| Harrisburg to Panazol | 3,805.30 mi (6,124.03 km) |
| Harrisburg to Pantin | 3,767.21 mi (6,062.73 km) |
| Harrisburg to Paray-le-Monial | 3,909.44 mi (6,291.64 km) |
