| Rhondda to Ianca | 1,474.11 mi (2,372.35 km) |
| Rhondda to Iasi | 1,416.62 mi (2,279.82 km) |
| Rhondda to Iernut | 1,293.56 mi (2,081.78 km) |
| Rhondda to Ineu | 1,192.23 mi (1,918.70 km) |
| Rhondda to Jibou | 1,227.66 mi (1,975.73 km) |
| Rhondda to Jilava | 1,442.24 mi (2,321.06 km) |
| Rhondda to Jimbolia | 1,166.06 mi (1,876.58 km) |
| Rhondda to Liesti | 1,461.13 mi (2,351.46 km) |
| Rhondda to Lipova | 1,196.62 mi (1,925.78 km) |
| Rhondda to Liteni | 1,361.37 mi (2,190.91 km) |
| Rhondda to Ludus | 1,286.96 mi (2,071.16 km) |
| Rhondda to Lugoj | 1,219.16 mi (1,962.05 km) |
| Rhondda to Lupeni | 1,286.29 mi (2,070.08 km) |
| Rhondda to Magurele | 1,439.60 mi (2,316.81 km) |
| Rhondda to Mangalia | 1,567.06 mi (2,521.94 km) |
