| Prospect Heights to Ianca | 5,215.22 mi (8,393.08 km) |
| Prospect Heights to Iasi | 5,118.20 mi (8,236.95 km) |
| Prospect Heights to Iernut | 5,040.50 mi (8,111.90 km) |
| Prospect Heights to Ineu | 4,958.87 mi (7,980.53 km) |
| Prospect Heights to Jibou | 4,968.11 mi (7,995.39 km) |
| Prospect Heights to Jilava | 5,207.25 mi (8,380.27 km) |
| Prospect Heights to Jimbolia | 4,949.52 mi (7,965.48 km) |
| Prospect Heights to Liesti | 5,193.33 mi (8,357.86 km) |
| Prospect Heights to Lipova | 4,969.42 mi (7,997.51 km) |
| Prospect Heights to Liteni | 5,065.89 mi (8,152.77 km) |
| Prospect Heights to Ludus | 5,034.64 mi (8,102.47 km) |
| Prospect Heights to Lugoj | 4,995.80 mi (8,039.97 km) |
| Prospect Heights to Lupeni | 5,058.39 mi (8,140.69 km) |
| Prospect Heights to Magurele | 5,204.76 mi (8,376.25 km) |
| Prospect Heights to Mangalia | 5,318.91 mi (8,559.96 km) |
