| Martha Lake to Opole | 5,231.23 mi (8,418.85 km) |
| Martha Lake to Orzesze | 5,279.10 mi (8,495.88 km) |
| Martha Lake to Osowa | 5,008.52 mi (8,060.44 km) |
| Martha Lake to Ostroda | 5,080.23 mi (8,175.84 km) |
| Martha Lake to Ostroleka | 5,147.64 mi (8,284.33 km) |
| Martha Lake to Ostrow Mazowiecka | 5,170.13 mi (8,320.53 km) |
| Martha Lake to Ostrow Wielkopolski | 5,168.17 mi (8,317.37 km) |
| Martha Lake to Ostrowiec Swietokrzyski | 5,279.15 mi (8,495.98 km) |
| Martha Lake to Ostrzeszow | 5,184.80 mi (8,344.14 km) |
| Martha Lake to Oswiecim | 5,295.10 mi (8,521.64 km) |
| Martha Lake to Otwock | 5,202.26 mi (8,372.23 km) |
| Martha Lake to Ozarow Mazowiecki | 5,187.76 mi (8,348.90 km) |
| Martha Lake to Ozimek | 5,236.25 mi (8,426.93 km) |
| Martha Lake to Ozorkow | 5,176.03 mi (8,330.01 km) |
| Martha Lake to Pabianice | 5,197.61 mi (8,364.74 km) |
