| Llanelli to Nyon | 595.64 mi (958.58 km) |
| Llanelli to Oberriet | 684.56 mi (1,101.69 km) |
| Llanelli to Obersiggenthal | 627.64 mi (1,010.10 km) |
| Llanelli to Oberwil | 597.66 mi (961.84 km) |
| Llanelli to Oberwingert | 645.49 mi (1,038.82 km) |
| Llanelli to Oftringen | 619.28 mi (996.63 km) |
| Llanelli to Olten | 617.36 mi (993.54 km) |
| Llanelli to Onex | 600.24 mi (966.00 km) |
| Llanelli to Opfikon | 640.48 mi (1,030.76 km) |
| Llanelli to Ostermundigen | 617.12 mi (993.16 km) |
| Llanelli to Payerne | 601.95 mi (968.74 km) |
| Llanelli to Pfaffikon | 651.51 mi (1,048.51 km) |
| Llanelli to Plan-les-Ouates | 601.61 mi (968.20 km) |
| Llanelli to Pratteln | 603.23 mi (970.80 km) |
| Llanelli to Prilly | 602.03 mi (968.87 km) |
