| Cities | Distance |
|---|---|
| Risca to Norwich | 198.86 mi (320.04 km) |
| Risca to Nottingham | 123.97 mi (199.52 km) |
| Risca to Nuneaton | 93.53 mi (150.53 km) |
| Risca to Oadby | 109.52 mi (176.26 km) |
| Risca to Oakengates | 79.85 mi (128.51 km) |
| Risca to Oakham | 124.03 mi (199.60 km) |
| Risca to Oldbury | 76.99 mi (123.90 km) |
| Risca to Oldham | 139.90 mi (225.15 km) |
| Risca to Ollerton | 140.42 mi (225.98 km) |
| Risca to Olton | 79.19 mi (127.45 km) |
| Risca to Omagh | 269.71 mi (434.06 km) |
| Risca to Ormesby | 218.10 mi (351.00 km) |
| Risca to Ormskirk | 135.59 mi (218.21 km) |
| Risca to Orpington | 138.15 mi (222.34 km) |
| Risca to Ossett | 156.54 mi (251.93 km) |