| Potomac to Ianca | 4,981.54 mi (8,017.02 km) |
| Potomac to Iasi | 4,900.43 mi (7,886.48 km) |
| Potomac to Iernut | 4,801.92 mi (7,727.95 km) |
| Potomac to Ineu | 4,709.47 mi (7,579.16 km) |
| Potomac to Jibou | 4,731.58 mi (7,614.75 km) |
| Potomac to Jilava | 4,960.95 mi (7,983.88 km) |
| Potomac to Jimbolia | 4,690.29 mi (7,548.30 km) |
| Potomac to Liesti | 4,963.61 mi (7,988.16 km) |
| Potomac to Lipova | 4,716.73 mi (7,590.84 km) |
| Potomac to Liteni | 4,846.03 mi (7,798.93 km) |
| Potomac to Ludus | 4,795.64 mi (7,717.84 km) |
| Potomac to Lugoj | 4,741.09 mi (7,630.04 km) |
| Potomac to Lupeni | 4,806.82 mi (7,735.83 km) |
| Potomac to Magurele | 4,958.35 mi (7,979.70 km) |
| Potomac to Mangalia | 5,080.84 mi (8,176.83 km) |
