| Ronkonkoma to Opwijk | 3,609.51 mi (5,808.94 km) |
| Ronkonkoma to Ostend | 3,551.87 mi (5,716.18 km) |
| Ronkonkoma to Oud-Heverlee | 3,632.48 mi (5,845.91 km) |
| Ronkonkoma to Oud-Turnhout | 3,633.19 mi (5,847.06 km) |
| Ronkonkoma to Oudenaarde | 3,588.61 mi (5,775.31 km) |
| Ronkonkoma to Oudenburg | 3,556.15 mi (5,723.07 km) |
| Ronkonkoma to Oupeye | 3,675.32 mi (5,914.86 km) |
| Ronkonkoma to Overijse | 3,628.31 mi (5,839.20 km) |
| Ronkonkoma to Overpelt | 3,653.16 mi (5,879.19 km) |
| Ronkonkoma to Paal | 3,647.81 mi (5,870.58 km) |
| Ronkonkoma to Peer | 3,656.77 mi (5,885.01 km) |
| Ronkonkoma to Pepinster | 3,686.05 mi (5,932.12 km) |
| Ronkonkoma to Peruwelz | 3,596.10 mi (5,787.36 km) |
| Ronkonkoma to Perwez | 3,643.80 mi (5,864.13 km) |
| Ronkonkoma to Philippeville | 3,643.75 mi (5,864.04 km) |
